diff --git a/cli/build.gradle b/cli/build.gradle
index ffd3a32e..a85b4fd4 100644
--- a/cli/build.gradle
+++ b/cli/build.gradle
@@ -12,7 +12,7 @@ dependencies {
     implementation 'org.openapitools.empoa:empoa-swagger-core:2.1.0'
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.15.3'
 
-    implementation group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.20.0'
+    implementation group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.21.0'
     implementation group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.20.0'
 
     testImplementation "org.mockito:mockito-core:5.6.0"